| Acronym | Meaning |
| SPIE | Society Of Photo-optical Engineers |
| R | Roentger |
| NETCDF | Network Common Data Form |
| CCB | Configuration Control Board |
| GSTS | Ground Surveillance And Tracking System |
| DEAR | Department Of Energy Acquisition Regulation |
| GARP | Global Atmospheric Research Program |
| NEPH | Nephelometer |
| ESF | European Science Foundation |
| PETS | Performance Evaluation And Test System |